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Чикаго-гийн эшлэл (17 дахь хэвлэлт)European Conference of Ministers of Transport, Organisation for Economic Co-operation and Development, ба ProQuest (Firm). Evolution Des Transports. Paris: CEMT-Conference europeenne des ministres des transports : OCDE, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)European Conference of Ministers of Transport, et al. Evolution Des Transports. CEMT-Conference europeenne des ministres des transports : OCDE, 2006.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.